Marsh Creek State Park 
675 Park Rd.
Downingtown, PA 19335
610-458-5119
http://www.dcnr.state.pa.us/stateparks/findapark/marshcreek/index.htm
State Park: Birding, Fish, Hike, Picnic, Walk, Water Sports
The 1,705-acre park contains the 535-acre Marsh Creek Lake, which is great for fishing, sailing and is a reststop for migrating waterfowl.